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feat: add PR insights analytics dashboard (#23215)

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## What

Adds a new admin-only **PR Insights** page for the `/agents` analytics
view — a dashboard for engineering leaders to understand code shipped by
AI agents.

### Backend
- `GET /api/v2/chats/insights/pull-requests` — admin-only endpoint
- 4 SQL queries in `chatinsights.sql` aggregating `chat_diff_statuses`
joined with chat cost data (via root chat tree rollup)
- Runs 5 parallel DB queries: current summary, previous summary (for
trends), time series, per-model breakdown, recent PRs
- SDK types auto-generate to TypeScript

### Frontend (`PRInsightsView`)
- **Stat cards**: PRs created, Merged, Merge rate, Lines shipped,
Cost/merged PR — with trend badges comparing to previous period
- **Activity chart**: Stacked area chart (created/merged/closed) using
git color tokens (`git-added-bright`, `git-merged-bright`,
`git-deleted-bright`)
- **Model performance table**: Per-model PR counts, inline merge rate
bars, diff stats, cost breakdown
- **Recent PRs table**: Status badges, review state icons, author info,
external links
- **Time range filter**: 7d/14d/30d/90d button group
- **4 Storybook stories**: Default, HighPerformance, LowVolume, NoPRs

### Data source
All PR data comes from the existing `chat_diff_statuses` table
(populated by the `gitsync.Worker` background job that polls GitHub
every 120s). No new data collection required.

### Screenshot
View in Storybook: `pages/AgentsPage/PRInsightsView`
This commit is contained in:
Kyle Carberry
2026-03-18 15:29:29 +00:00
committed by GitHub
parent 4dd8531f37
commit d6fef96d72
24 changed files with 2774 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files
coderd/database/dbmetrics/querymetrics.go
+32
View File
@@ -1744,6 +1744,38 @@ func (m queryMetricsStore) GetOrganizationsWithPrebuildStatus(ctx context.Contex
return r0, r1
}
func (m queryMetricsStore) GetPRInsightsPerModel(ctx context.Context, arg database.GetPRInsightsPerModelParams) ([]database.GetPRInsightsPerModelRow, error) {
start := time.Now()
r0, r1 := m.s.GetPRInsightsPerModel(ctx, arg)
m.queryLatencies.WithLabelValues("GetPRInsightsPerModel").Observe(time.Since(start).Seconds())
m.queryCounts.WithLabelValues(httpmw.ExtractHTTPRoute(ctx), httpmw.ExtractHTTPMethod(ctx), "GetPRInsightsPerModel").Inc()
return r0, r1
}
func (m queryMetricsStore) GetPRInsightsRecentPRs(ctx context.Context, arg database.GetPRInsightsRecentPRsParams) ([]database.GetPRInsightsRecentPRsRow, error) {
start := time.Now()
r0, r1 := m.s.GetPRInsightsRecentPRs(ctx, arg)
m.queryLatencies.WithLabelValues("GetPRInsightsRecentPRs").Observe(time.Since(start).Seconds())
m.queryCounts.WithLabelValues(httpmw.ExtractHTTPRoute(ctx), httpmw.ExtractHTTPMethod(ctx), "GetPRInsightsRecentPRs").Inc()
return r0, r1
}
func (m queryMetricsStore) GetPRInsightsSummary(ctx context.Context, arg database.GetPRInsightsSummaryParams) (database.GetPRInsightsSummaryRow, error) {
start := time.Now()
r0, r1 := m.s.GetPRInsightsSummary(ctx, arg)
m.queryLatencies.WithLabelValues("GetPRInsightsSummary").Observe(time.Since(start).Seconds())
m.queryCounts.WithLabelValues(httpmw.ExtractHTTPRoute(ctx), httpmw.ExtractHTTPMethod(ctx), "GetPRInsightsSummary").Inc()
return r0, r1
}
func (m queryMetricsStore) GetPRInsightsTimeSeries(ctx context.Context, arg database.GetPRInsightsTimeSeriesParams) ([]database.GetPRInsightsTimeSeriesRow, error) {
start := time.Now()
r0, r1 := m.s.GetPRInsightsTimeSeries(ctx, arg)
m.queryLatencies.WithLabelValues("GetPRInsightsTimeSeries").Observe(time.Since(start).Seconds())
m.queryCounts.WithLabelValues(httpmw.ExtractHTTPRoute(ctx), httpmw.ExtractHTTPMethod(ctx), "GetPRInsightsTimeSeries").Inc()
return r0, r1
}
func (m queryMetricsStore) GetParameterSchemasByJobID(ctx context.Context, jobID uuid.UUID) ([]database.ParameterSchema, error) {
start := time.Now()
r0, r1 := m.s.GetParameterSchemasByJobID(ctx, jobID)